Polyethylene, glass fiber and stainless steel are its main production materials The Security Window Screen is made of glass fiber monofilament plastic coating process, and then woven into a mesh by means of plain weaving, and then heated to set the shape Security Window Screen mesh is a good anti mosquito product. In addition to common mosquitoes and insects, it can also prevent a small wheat mosquito. It can better increase the air circulation rate and sunlight. It is widely used in orchards, livestock farms, office buildings and various residential areas. The commonly used mesh is 17 * 14 mesh and 18 * 16 mesh.